/**
 * Created by PanJiaChen on 16/11/18.
 */

/**
 * Parse the time to string
 * @param {(Object|string|number)} time
 * @param {string} cFormat
 * @returns {string | null}
 */
import axios from "axios";
export function parseTime(time, cFormat) {
  if (arguments.length === 0 || !time) {
    return null
  }
  const format = cFormat || '{y}-{m}-{d} {h}:{i}:{s}'
  let date
  if (typeof time === 'object') {
    date = time
  } else {
    if ((typeof time === 'string')) {
      if ((/^[0-9]+$/.test(time))) {
        // support "1548221490638"
        time = parseInt(time)
      } else {
        // support safari
        // https://stackoverflow.com/questions/4310953/invalid-date-in-safari
        time = time.replace(new RegExp(/-/gm), '/')
      }
    }

    if ((typeof time === 'number') && (time.toString().length === 10)) {
      time = time * 1000
    }
    date = new Date(time)
  }
  const formatObj = {
    y: date.getFullYear(),
    m: date.getMonth() + 1,
    d: date.getDate(),
    h: date.getHours(),
    i: date.getMinutes(),
    s: date.getSeconds(),
    a: date.getDay()
  }
  const time_str = format.replace(/{([ymdhisa])+}/g, (result, key) => {
    const value = formatObj[key]
    // Note: getDay() returns 0 on Sunday
    if (key === 'a') { return ['日', '一', '二', '三', '四', '五', '六'][value] }
    return value.toString().padStart(2, '0')
  })
  return time_str
}

/**
 * @param {number} time
 * @param {string} option
 * @returns {string}
 */
export function formatTime(time, option) {
  if (('' + time).length === 10) {
    time = parseInt(time) * 1000
  } else {
    time = +time
  }
  const d = new Date(time)
  const now = Date.now()

  const diff = (now - d) / 1000

  if (diff < 30) {
    return '刚刚'
  } else if (diff < 3600) {
    // less 1 hour
    return Math.ceil(diff / 60) + '分钟前'
  } else if (diff < 3600 * 24) {
    return Math.ceil(diff / 3600) + '小时前'
  } else if (diff < 3600 * 24 * 2) {
    return '1天前'
  }
  if (option) {
    return parseTime(time, option)
  } else {
    return (
      d.getMonth() +
      1 +
      '月' +
      d.getDate() +
      '日' +
      d.getHours() +
      '时' +
      d.getMinutes() +
      '分'
    )
  }
}

/**
 * @param {string} url
 * @returns {Object}
 */
export function param2Obj(url) {
  const search = decodeURIComponent(url.split('?')[1]).replace(/\+/g, ' ')
  if (!search) {
    return {}
  }
  const obj = {}
  const searchArr = search.split('&')
  searchArr.forEach(v => {
    const index = v.indexOf('=')
    if (index !== -1) {
      const name = v.substring(0, index)
      const val = v.substring(index + 1, v.length)
      obj[name] = val
    }
  })
  return obj
}

export function downloadUrl(val, aName) {
  // 谷歌浏览器 创建a标签 添加download属性下载
  if (!val) return false
  let audioName = aName ? aName : "录音文件.mp3";
  axios({
    method: "get",
    url: val,
    responseType: "blob",
  }).then((res) => {
    // 为blob设置文件类型
    let blob = new Blob([res.data]);
    // 创建一个临时的url指向blob对象
    let url = window.URL.createObjectURL(blob);
    //创建一个a标签，用来下载
    let a = document.createElement("a");
    a.href = url;
    a.download = audioName;
    a.click();
    // 释放这个临时的对象url
    window.URL.revokeObjectURL(url);
  })
}
//ypy 

/**
 * 下载接口文件流
 *
 * @param {Object} response response.data为Blob对象或字符串数据流
 * @param {String} name 包含后缀的文件名：不传则从response中截取
 *
 * @return {none}
 *
 */
export function downloadFile(response, name = "") {
  let blob, fileName;
  // 文件流对象检测
  if (Object.prototype.toString.call(response.data).includes("Blob")) {
    // 如果是json数据则不下载
    if (response.data.type == "application/json") return

    blob = response.data
  } else {
    blob = new Blob([response.data])
  }

  // 文件名处理
  if (!name) {
    let disposition = response.headers["content-disposition"];
    name = disposition.replace("attachment;filename=", "");
    fileName = decodeURI(name)
  } else {
    fileName = name
  }

  if (window.navigator.msSaveBlob) {
    //这个是IE浏览器独有的方法，用来判断当时是不是IE浏览器
    window.navigator.msSaveBlob(blob, fileName); //此方法即可下载成功
  } else {
    // 谷歌浏览器 创建a标签 添加download属性下载
    let element = document.createElement("a");
    const url = window.URL.createObjectURL(blob);
    element.href = url;
    element.download = fileName;
    element.click();
    window.URL.revokeObjectURL(url);
  }
}